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#126 2020-06-20 01:15:31

ganesh
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Registered: 2005-06-28
Posts: 30,587

Re: Algebra

Hi,

The solution A # 82 is correct. Good work!

A # 83. Solve:


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#127 2020-06-20 22:05:35

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 244

Re: Algebra

The values of x = (- √3)/2 , (- √3)/2


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#128 2020-06-21 00:03:55

ganesh
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Registered: 2005-06-28
Posts: 30,587

Re: Algebra

Hi,

Neat work!

A # 84. Find the roots of the following equation:


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#129 2020-06-21 21:45:27

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 244

Re: Algebra

A#84 the roots of x =   ( 3+√(13) )/(2)  ,  ( 3-√(13 ) )/(2)


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#130 2020-06-21 22:08:07

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,587

Re: Algebra

Hi,

The solution A#84 is perfect. Neat work!

A # 85. The diagonal of a rectangular field is 60 meters more than the shorter side. If the longer side is 30 meters more than the shorter side, find the sides of the field.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#131 2020-06-22 17:33:40

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 244

Re: Algebra

The sides of an rectangle are
Length = 60metres
Breadth = 30 metres
Length of the diagonal = 90 metres.


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#132 2020-06-22 21:13:58

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,587

Re: Algebra

Hi,

A # 86. Solve:


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#133 2020-06-23 17:05:22

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 244

Re: Algebra

A#86: the values of x =  2/√(3) ,  2/√(3).


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#134 2020-06-23 19:58:49

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,587

Re: Algebra

Hi,

Neat work!

A # 87. Solve:


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#135 2020-06-24 17:13:42

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 244

Re: Algebra

A#87: the values of x =  ( 3+√(3) )/2  , (3-√(3) )/2


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#136 2020-06-24 20:11:50

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,587

Re: Algebra

Hi,

Neat work!

A # 88. Find the value of k for the following quadratic equation such that they have two equal roots:


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#137 2020-06-25 17:47:13

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 244

Re: Algebra

The value of k = ±2√(6).


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#138 2020-06-25 19:15:08

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,587

Re: Algebra

Neat work!

A # 89. Find the value of k for the following quadratic equation such that they have two equal roots:


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#139 2020-06-26 18:28:07

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 244

Re: Algebra

The value of k = 6.


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#140 2020-06-26 21:17:19

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,587

Re: Algebra

Well done!

A # 90. Solve:


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#141 2020-06-27 19:26:24

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 244

Re: Algebra

A#90: M = 2 or  M= (-7/2)


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#142 2020-06-27 23:29:27

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,587

Re: Algebra

.

Good work!

A # 91. Find the value f x.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#143 2020-06-28 23:23:22

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 244

Re: Algebra

x = 2√3  or  x= -2/√3 .


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#144 2020-06-30 14:33:13

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,587

Re: Algebra

A# 92. Solve:


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#145 2020-06-30 22:59:51

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 244

Re: Algebra

A#92: y = ( ( -3±√(15) )/2  ).


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#146 2020-07-01 14:02:09

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,587

Re: Algebra

Hi,

Excellent!

A # 93. Solve:

(PS: Give me a week or two do verify the solution.)


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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